Logging Monitoring

Windows Server 2019 — KB5052038 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5052038 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5052038 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21418 CVE-2025-21208 CVE-2025-21406  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — jq — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — jq — vulnerability — patch and remediation guide (ELSA-2025-10618)

  • December 28, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 December 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10618 Related CVEs: CVE-2024-23337 CVE-2025-48060 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 10 — gnupg2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — gnupg2 — vulnerability — patch and remediation guide (ELSA-2026-0697)

  • December 28, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 December 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0697 Related CVEs: CVE-2025-68973 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 8 — postgresql:16 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:16 — vulnerability — patch and remediation guide (ELSA-2025-1740)

  • December 28, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 December 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1740 Related CVEs: CVE-2025-1094 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — gnutls — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gnutls — vulnerability — patch and remediation guide (ELSA-2026-4188)

  • December 28, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 December 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4188 Related CVEs: CVE-2025-14831 CVE-2025-9820 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Common Problems 114020

RHEL 10 – chronyd not syncing time due to firewall and SELinux policy mismatch – Fix & Prevention

  • December 28, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 December 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]

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Oracle Linux 8 — python-setuptools — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-setuptools — vulnerability — patch and remediation guide (ELSA-2025-11036)

  • December 28, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 December 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-11036 Related CVEs: CVE-2025-47273 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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CentOS Stream 9 — gcc-toolset-13-binutils — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — gcc-toolset-13-binutils — vulnerability — patch and remediation guide

  • December 28, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 28 December 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:23336 Related CVEs: CVE-2025-11083 Upstream summary: Binutils is a collection of binary utilities, including ar (for creating, modifying and extracting from archives), as (a family of GNU assemblers), gprof (for displaying […]

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Rocky Linux 8 — fontforge — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — fontforge — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • December 28, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:7677 Related CVEs: CVE-2025-15269 CVE-2025-15270 CVE-2025-15275 CVE-2025-15279 Upstream summary: FontForge is a font editor for outline and bitmap fonts. It supports a range of font formats, including PostScript (ASCII and […]

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SLES 16 — libcjose0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libcjose0 — vulnerability — patch and remediation guide

  • December 28, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 December 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3030-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-37464 Upstream summary: OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption (JOSE). The AES GCM decryption routine incorrectly uses the Tag […]

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